---> uname -a: Linux prd-centos8-docker-4c-4g-12573.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.996 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 803 11914 19 3044 14613 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:2f:b2:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.88/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85997sec preferred_lft 85997sec inet6 fe80::f816:3eff:fe2f:b2b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:76:dc:4d:4e brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:76ff:fedc:4d4e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 11/14/2025 _x86_64_ (4 CPU) 04:52:24 LINUX RESTART (4 CPU) 04:53:01 AM tps rtps wtps bread/s bwrtn/s 04:54:01 AM 195.63 18.33 177.31 3193.60 9920.69 04:55:01 AM 145.94 3.28 142.66 786.80 9245.59 04:56:01 AM 28.21 0.05 28.16 1.07 7254.42 04:57:01 AM 3.13 1.75 1.38 51.07 284.72 04:58:01 AM 75.75 1.70 74.05 530.80 18326.92 04:59:01 AM 35.19 0.48 34.71 64.11 1697.85 Average: 80.64 4.27 76.38 771.27 7789.03 04:53:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:54:01 AM 12749992 14762960 3391540 21.01 2688 2219636 1383760 8.05 165552 2833500 175256 04:55:01 AM 10852528 13160820 5289004 32.77 2688 2509404 3238148 18.84 254748 4608448 207796 04:56:01 AM 10180964 12493728 5960568 36.93 2688 2513676 3718756 21.63 259732 5272800 836 04:57:01 AM 8473104 10796808 7668428 47.51 2688 2524236 5109872 29.73 263724 6970916 2184 04:58:01 AM 7808784 10555684 8332748 51.62 2688 2937160 5576828 32.44 403032 7451112 116 04:59:01 AM 12213544 14975108 3927988 24.33 2688 2950652 1150664 6.69 585292 2880596 15884 Average: 10379819 12790851 5761713 35.69 2688 2609127 3363005 19.56 322013 5002895 67012 04:53:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 AM eth0 162.03 136.17 1899.62 28.01 0.00 0.00 0.00 0.00 04:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 AM eth0 335.79 243.39 4028.79 33.15 0.00 0.00 0.00 0.00 04:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 AM eth0 18.69 18.19 3.70 26.41 0.00 0.00 0.00 0.00 04:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 AM eth0 21.82 21.07 4.60 17.90 0.00 0.00 0.00 0.00 04:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:01 AM lo 17.74 17.74 27.47 27.47 0.00 0.00 0.00 0.00 04:58:01 AM eth0 158.97 99.27 2826.46 9.16 0.00 0.00 0.00 0.00 04:58:01 AM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 04:58:01 AM veth3877e75 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 04:58:01 AM br-63c0ea74ec42 5.73 5.68 25.61 0.94 0.00 0.00 0.00 0.00 04:59:01 AM lo 0.83 0.83 0.06 0.06 0.00 0.00 0.00 0.00 04:59:01 AM eth0 22.71 19.34 16.73 9.13 0.00 0.00 0.00 0.00 04:59:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.10 3.10 4.59 4.59 0.00 0.00 0.00 0.00 Average: eth0 120.00 89.57 1463.36 20.62 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 11/14/2025 _x86_64_ (4 CPU) 04:52:24 LINUX RESTART (4 CPU) 04:53:01 AM CPU %user %nice %system %iowait %steal %idle 04:54:01 AM all 26.63 0.00 2.76 1.14 0.09 69.38 04:54:01 AM 0 45.79 0.00 3.26 0.66 0.10 50.19 04:54:01 AM 1 19.84 0.00 1.82 0.75 0.10 77.49 04:54:01 AM 2 21.67 0.00 2.65 1.58 0.10 73.99 04:54:01 AM 3 19.28 0.00 3.30 1.56 0.07 75.80 04:55:01 AM all 59.67 0.00 2.41 0.65 0.08 37.19 04:55:01 AM 0 61.85 0.00 3.02 0.68 0.08 34.36 04:55:01 AM 1 56.33 0.00 2.31 1.02 0.08 40.26 04:55:01 AM 2 64.29 0.00 2.26 0.64 0.07 32.75 04:55:01 AM 3 56.21 0.00 2.06 0.27 0.08 41.38 04:56:01 AM all 24.63 0.00 0.48 0.20 0.08 74.62 04:56:01 AM 0 24.53 0.00 0.65 0.42 0.08 74.32 04:56:01 AM 1 22.79 0.00 0.53 0.32 0.07 76.29 04:56:01 AM 2 26.48 0.00 0.32 0.08 0.08 73.04 04:56:01 AM 3 24.70 0.00 0.42 0.00 0.07 74.81 04:57:01 AM all 33.56 0.00 0.71 0.02 0.08 65.63 04:57:01 AM 0 19.00 0.00 0.43 0.00 0.08 80.48 04:57:01 AM 1 67.02 0.00 1.62 0.05 0.10 31.21 04:57:01 AM 2 25.53 0.00 0.42 0.02 0.07 73.96 04:57:01 AM 3 22.65 0.00 0.38 0.00 0.07 76.90 04:58:01 AM all 26.72 0.00 3.26 0.64 0.08 69.30 04:58:01 AM 0 23.89 0.00 2.38 0.22 0.08 73.42 04:58:01 AM 1 34.99 0.00 4.76 1.01 0.08 59.16 04:58:01 AM 2 23.91 0.00 3.19 0.92 0.08 71.90 04:58:01 AM 3 24.07 0.00 2.71 0.42 0.08 72.72 04:59:01 AM all 27.13 0.00 1.58 0.11 0.07 71.11 04:59:01 AM 0 30.06 0.00 1.28 0.17 0.08 68.40 04:59:01 AM 1 25.24 0.00 1.62 0.07 0.07 73.01 04:59:01 AM 2 30.86 0.00 1.91 0.15 0.07 67.02 04:59:01 AM 3 22.36 0.00 1.50 0.07 0.07 76.01 Average: all 33.07 0.00 1.86 0.46 0.08 64.53 Average: 0 34.18 0.00 1.84 0.36 0.09 63.54 Average: 1 37.70 0.00 2.11 0.53 0.08 59.57 Average: 2 32.18 0.00 1.78 0.56 0.08 65.40 Average: 3 28.21 0.00 1.73 0.38 0.07 69.60